    001    /* ===========================================================
    002     * JFreeChart : a free chart library for the Java(tm) platform
    003     * ===========================================================
    004     *
    005     * (C) Copyright 2000-2007, by Object Refinery Limited and Contributors.
    006     *
    007     * Project Info:  http://www.jfree.org/jfreechart/index.html
    008     *
    009     * This library is free software; you can redistribute it and/or modify it
    010     * under the terms of the GNU Lesser General Public License as published by
    011     * the Free Software Foundation; either version 2.1 of the License, or
    012     * (at your option) any later version.
    013     *
    014     * This library is distributed in the hope that it will be useful, but
    015     * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    016     * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
    017     * License for more details.
    018     *
    019     * You should have received a copy of the GNU Lesser General Public
    020     * License along with this library; if not, write to the Free Software
    021     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301,
    022     * USA.
    023     *
    024     * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
    025     * in the United States and other countries.]
    026     *
    027     * ----------------
    028     * GreyPalette.java
    029     * ----------------
    030     * (C) Copyright 2002-2007, by David M. O'Donnell and Contributors.
    031     *
    032     * Original Author:  David M. O'Donnell;
    033     * Contributor(s):   David Gilbert (for Object Refinery Limited);
    034     *
    035     * $Id: GreyPalette.java,v 1.1.2.3 2007/01/31 15:56:19 mungady Exp $
    036     *
    037     * Changes
    038     * -------
    039     * 26-Nov-2002 : Version 1 contributed by David M. O'Donnell (DG);
    040     * 26-Mar-2003 : Implemented Serializable (DG);
    041     * ------------- JFREECHART 1.0.x ---------------------------------------------
    042     * 31-Jan-2007 : Deprecated (DG);
    043     *
    044     */
    045
    046    package org.jfree.chart.plot;
    047
    048    import java.io.Serializable;
    049
    050    import org.jfree.chart.renderer.xy.XYBlockRenderer;
    051
    052
    053    /**
    054     * A grey color palette.
    055     *
    056     * @deprecated This class is no longer supported.  If you are creating
    057     *     contour plots, please try to use {@link XYPlot} and
    058     *     {@link XYBlockRenderer}.
    059     */
    060    public class GreyPalette extends ColorPalette implements Serializable {
    061
    062        /** For serialization. */
    063        private static final long serialVersionUID = -2120941170159987395L;
    064
    065        /**
    066         * Creates a new palette.
    067         */
    068        public GreyPalette() {
    069            super();
    070            initialize();
    071        }
    072
    073        /**
    074         * Intializes the palette's indices.
    075         */
    076        public void initialize() {
    077
    078            setPaletteName("Grey");
    079
    080            this.r = new int[256];
    081            this.g = new int[256];
    082            this.b = new int[256];
    083
    084            this.r[0] = 255;
    085            this.g[0] = 255;
    086            this.b[0] = 255;
    087            this.r[1] = 0;
    088            this.g[1] = 0;
    089            this.b[1] = 0;
    090
    091            for (int i = 2; i < 256; i++) {
    092                this.r[i] = i;
    093                this.g[i] = i;
    094                this.b[i] = i;
    095            }
    096
    097        }
    098
    099    }